dev 4

go-client/apps/zt/logic/dip.go

@@ -0,0 +1,55 @@
+package logic
+
+import (
+	"big-qmt/go-client/config"
+	"sync"
+	"time"
+)
+
+type dipWatch struct {
+	LastClose float64
+	ExpiresAt time.Time
+}
+
+var openDip = struct {
+	mu    sync.Mutex
+	store map[string]dipWatch
+}{store: map[string]dipWatch{}}
+
+var posDip = struct {
+	mu    sync.Mutex
+	store map[string]dipWatch
+}{store: map[string]dipWatch{}}
+
+func dipTriggered(mu *sync.Mutex, store map[string]dipWatch, tag, code string, price float64) bool {
+	if price <= 0 {
+		return false
+	}
+	mu.Lock()
+	defer mu.Unlock()
+	now := time.Now()
+	watch, ok := store[code]
+	if !ok || now.After(watch.ExpiresAt) || now.Equal(watch.ExpiresAt) {
+		store[code] = dipWatch{LastClose: price, ExpiresAt: now.Add(time.Duration(config.Account.WatchTimeoutSec) * time.Second)}
+		logf("INFO", "[%s-观察] %s 现价=%.2f", tag, code, price)
+		return false
+	}
+	if price < watch.LastClose {
+		watch.LastClose = price
+		watch.ExpiresAt = now.Add(time.Duration(config.Account.WatchTimeoutSec) * time.Second)
+		store[code] = watch
+		logf("INFO", "[%s-下跌] %s 刷新低点=%.2f", tag, code, price)
+		return false
+	}
+	rebound := (price - watch.LastClose) / watch.LastClose * 100
+	if rebound <= 0 {
+		return false
+	}
+	if rebound < config.Account.ReboundThreshold {
+		logf("INFO", "[%s-等待] %s 反弹=%.2f%% 阈值=%.2f%%", tag, code, rebound, config.Account.ReboundThreshold)
+		return false
+	}
+	delete(store, code)
+	logf("INFO", "[%s-触发] %s 反弹=%.2f%% 低点=%.2f", tag, code, rebound, watch.LastClose)
+	return true
+}